Production of Monomeric Aromatic Compounds from Oil Palm Empty Fruit Bunch Fiber Lignin by Chemical and Enzymatic Methods

Table 2

Oxidation products from the enzymatic catalysis of manganese peroxidase (MnP) (; ).

Compounds	Without MnP		With MnP
	Yield	Recovery	Yield	Recovery
Hydroxybenzoic acid	468.58 ± 16.26	6.85 ± 0.24	459.48 ± 6.47	6.72 ± 0.10
Vanillic acid	10.66 ± 0.81	0.16 ± 0.01	13.81 ± 0.85	0.20 ± 0.01
Vanillin	11.74 ± 0.53	0.17 ± 0.01	12.48 ± 0.66	0.18 ± 0.01
p-Coumaric acid	12.30 ± 0.40	0.18 ± 0.01	12.42 ± 0.87	0.18 ± 0.01
Ferulic acid	19.61 ± 0.58	0.29 ± 0.01	21.39 ± 1.45	0.31 ± 0.02

Note.
Different alphabets in the same row indicated that there are significant differences () between the yields from different catalysis.
Different alphabets in the same row indicated that there are significant differences () between the recoveries from different catalysis.